virtualModem/src/net/hoo2/auth/vmodem/VirtualModem.java

/**
 * @file VirtualModem.java
 * @brief
 *    Contain the Main class for the project VirtualModem
 * 
 * @author Christos Choutouridis AEM:8997
 * @email  cchoutou@ece.auth.gr
 */
package net.hoo2.auth.vmodem;

/** @name imports */
/** @{ */
import org.apache.commons.cli.*;
/** @} */


/**
 * @class VirtualModem
 * 
 * @brief This is the main control class of the program. 
 * 
 * This class includes the main function.Using this class's api
 * the user can ... 
 */
public class VirtualModem {

   /** @name Data */
   /** @{ */
   CommandLine       line;
   CommandLineParser parser;
   Options           options;
   HelpFormatter     formatter;
   Com               com;
   Log               log;
   /** @} */

   /** @name constructors */
   /** @{ */
   public VirtualModem () {
      parser      = new DefaultParser();
      options     = new Options();
      formatter   = new HelpFormatter();
      com         = new Com();


      Option verb    = new Option ("v", "verbose", false, "Be more verbose");
      Option help    = new Option ("h", "help", false, "Print this message");
      Option timeout = Option.builder("t")
                             .longOpt("timeout")
                             .hasArg()
                             .valueSeparator('=')
                             .desc("Select timeout in [sec]")
                             .build();
      Option speed   = Option.builder("s")
                             .longOpt("speed")
                             .hasArg()
                             .valueSeparator('=')
                             .desc("Select speed in [bps]")
                             .build();
      Option log     = Option.builder("l")
                             .longOpt("log")
                             .hasArg()
                             .desc("Log file name")
                             .build();
      Option  echo   = Option.builder("e")
                             .longOpt("echo")
                             .numberOfArgs(2)
                             .desc ("Request echo sequence")
                             .build();
      Option  aqr    = Option.builder("a")
                             .longOpt("aqr")
                             .numberOfArgs(3)
                             .desc ("Request aqr sequence")
                             .build();
      Option img     = Option.builder("g")
                             .longOpt("img")
                             .numberOfArgs(3)
                             .desc("Request an image sequence")
                             .build();
      Option gps     = Option.builder("p")
                             .longOpt("gps")
                             .numberOfArgs(5)
                             .desc("Request a GPS sequence")
                             .build();
      options.addOption(verb);
      options.addOption(help);
      options.addOption(timeout);
      options.addOption(speed);
      options.addOption(log);
      options.addOption(echo);
      options.addOption(aqr);
      options.addOption(img);
      options.addOption(gps);
   }
   /** @} */

   private boolean getCmdOptions (String[] args) {
      try {
         // parse the command line arguments
         line = parser.parse (options, args);
      }
      catch( ParseException exp ) {
         // oops, something went wrong
         System.err.println( "Parsing command line failed: " + exp.getMessage() );
         return false;
      }
      return true;
   }
   
   private boolean commandDispatcher () {
      boolean verbose = false;
      
      // Get log and verbose options first
      if (line.hasOption("verbose")) 
         verbose = true;
      if (line.hasOption("log"))
         log = new Log (line.getOptionValue("log"), verbose);
      else
         log = new Log (null, verbose);
      if (log.open() != true)
         return false;
      
      // get other options
      if (line.hasOption("timeout")) {
         com.timeout(Integer.parseInt(line.getOptionValue("timeout")));
      }
      if (line.hasOption("speed")) {
         com.speed(Integer.parseInt(line.getOptionValue("speed")));
      }

      // Execution dispatcher
      do {
         if (line.hasOption("help")) {
            formatter.printHelp( "virtualModem", options );
            break;
         }
         if (line.hasOption("echo")) {
            byte[] code = line.getOptionValues("echo")[0].getBytes();
            Echo e = new Echo(com, log, code,
                              Integer.valueOf(line.getOptionValues("echo")[1]));
            if (com.open()) {
               e.caption(code);
               e.run();
               com.close();
               
            }
         }
         else if (line.hasOption("aqr")) {
            byte[]  ack = line.getOptionValues("aqr")[0].getBytes();
            byte[] nack = line.getOptionValues("aqr")[1].getBytes();
            AQR a = new AQR(com, log, ack, nack,
                            Integer.valueOf(line.getOptionValues("aqr")[2]));
            if (com.open()) {
               a.caption(ack, nack);
               a.run();
               com.close();
   
            }
         }
         else if (line.hasOption("img")) {
            byte[] code = line.getOptionValues("img")[0].getBytes();
            Image im = new Image (com, log, code,
                                  line.getOptionValues("img")[1],
                                  Integer.valueOf(line.getOptionValues("img")[2]));
            if (com.open()) {
               im.caption(code);
               im.run();
               com.close();
            }
         }
         else if (line.hasOption("gps")) {
            byte[] code = line.getOptionValues("gps")[0].getBytes();
            GPS g = new GPS (com, log, code,
                             Integer.valueOf(line.getOptionValues("gps")[1]),
                             Integer.valueOf(line.getOptionValues("gps")[2]),
                             Integer.valueOf(line.getOptionValues("gps")[3]));
            Image im = new Image (com, log, null,
                                  line.getOptionValues("gps")[4], 1);
            if (com.open()) {
               g.caption();
               im.code(g.run().getBytes());
               im.run();
               com.close();
            }
         }
      } while (false);

      log.close();
      return true;
   }
   /**
    * @brief Main
    * 
    */
   public static void main(String[] args) {
      // allocate the main object
      VirtualModem vmodem = new VirtualModem();

      // prepare command line input
      if (vmodem.getCmdOptions (args) != true)
         return;
      if (vmodem.commandDispatcher() != true)
         return;
      
   }

}